// Scintilla source code edit control
/** @file CaseFolder.h
 ** Classes for case folding.
 **/
// Copyright 1998-2013 by Neil Hodgson <neilh@scintilla.org>
// The License.txt file describes the conditions under which this software may be distributed.

#ifndef CASEFOLDER_H
#define CASEFOLDER_H

namespace Scintilla {

class CaseFolder {
 public:
  virtual ~CaseFolder();
  virtual size_t Fold(char* folded, size_t sizeFolded, const char* mixed, size_t lenMixed) = 0;
};

class CaseFolderTable : public CaseFolder {
 protected:
  char mapping[256];

 public:
  CaseFolderTable() noexcept;
  ~CaseFolderTable() override;
  size_t Fold(char* folded, size_t sizeFolded, const char* mixed, size_t lenMixed) override;
  void SetTranslation(char ch, char chTranslation) noexcept;
  void StandardASCII() noexcept;
};

class ICaseConverter;

class CaseFolderUnicode : public CaseFolderTable {
  ICaseConverter* converter;

 public:
  CaseFolderUnicode();
  size_t Fold(char* folded, size_t sizeFolded, const char* mixed, size_t lenMixed) override;
};

}  // namespace Scintilla

#endif
